Prius L4-1.8L (2ZR-FXE) Hybrid (2010)
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i.
Lines are not displayed: Lane keeping assist system is off.
ii. Thin lines are displayed: Lane keeping assist system is off.
iii. Thick lines are displayed: Lane keeping assist system is operating.
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Steering wheel
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When the steering wheel is displayed, this indicates that the lane keeping assist function is operating.
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Radar cruise display
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Indicates operation conditions for radar cruise
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Radar cruise set vehicle speed
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Indicates the set vehicle speed when the radar cruise is activated
(a) However, in the following conditions, the lane-keeping assist system may not function normally.
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Vehicle is near toll booths or similar areas
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Road has no lane marker
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Lane marker are cracked
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Road has yellow lines
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There is a shadow on either of the lane marker
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As a result of reflections, road surface is bright
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Road with reflective surface similar to concrete road
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Area where brightness changes suddenly, such as entrances and exits of tunnels or similar area
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Bright light directed at sensor
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Incline of road varies, winding road or other type of road where road surface is irregular
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Bad weather
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Frozen or snowy roads
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Road surface with water or other liquid
2. SYSTEM OPERATION
(a) Lane departure warning function:
The lane departure warning function operates when the lane-keeping assist switch is on, the vehicle speed is 48 km/h (30 mph) or more, and
lane markers on the road surface are detected. With the lane departure warning function operating, if the vehicle is about to move out of the
lane and this is detected by the driving support ECU, the ECU uses the warning buzzer and the multi-information display to warn the driver.
Also, the ECU uses the electronic power steering system's motor to apply steering force and give suggestions to the driver for lane departure
avoidance.
HINT
This function only provides suggestions for lane departure avoidance. This function does not automatically move the vehicle within a
lane.
